The manufacturer of petanque-boules-bocce- Chinese baoding ball-Qigong kugeln-Boules chinoises-meridiaankogels-klangherz-clang heart-sound heart in China.
https://www.ballmanufactory.com/
info@ballmanufactory.com
In OCT-27-2018, 480 People in baoding,China made a huge performance about Baoding Balls. This people number broke the Guinness record.
Do hope more countries, more people like this health activity.